WO2022085085A1 - Assemblage de fibres à haute résistance, cordage et structure de cordage - Google Patents

Assemblage de fibres à haute résistance, cordage et structure de cordage Download PDF

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Publication number
WO2022085085A1
WO2022085085A1 PCT/JP2020/039444 JP2020039444W WO2022085085A1 WO 2022085085 A1 WO2022085085 A1 WO 2022085085A1 JP 2020039444 W JP2020039444 W JP 2020039444W WO 2022085085 A1 WO2022085085 A1 WO 2022085085A1
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WO
WIPO (PCT)
Prior art keywords
strength fiber
rope
resin
strength
steel materials
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Application number
PCT/JP2020/039444
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English (en)
Japanese (ja)
Inventor
晋也 内藤
政彦 肥田
豊弘 野口
Original Assignee
三菱電機株式会社
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Application filed by 三菱電機株式会社 filed Critical 三菱電機株式会社
Priority to PCT/JP2020/039444 priority Critical patent/WO2022085085A1/fr
Priority to DE112020007718.7T priority patent/DE112020007718T5/de
Priority to JP2022556866A priority patent/JPWO2022085085A1/ja
Priority to CN202080106046.5A priority patent/CN116323459A/zh
Priority to KR1020237010545A priority patent/KR20230056776A/ko
Publication of WO2022085085A1 publication Critical patent/WO2022085085A1/fr

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B7/00—Other common features of elevators
    • B66B7/06—Arrangements of ropes or cables
    • B66B7/062—Belts
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B1/00—Constructional features of ropes or cables
    • D07B1/02—Ropes built-up from fibrous or filamentary material, e.g. of vegetable origin, of animal origin, regenerated cellulose, plastics
    • D07B1/025—Ropes built-up from fibrous or filamentary material, e.g. of vegetable origin, of animal origin, regenerated cellulose, plastics comprising high modulus, or high tenacity, polymer filaments or fibres, e.g. liquid-crystal polymers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B7/00—Other common features of elevators
    • B66B7/06—Arrangements of ropes or cables
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B1/00—Constructional features of ropes or cables
    • D07B1/005—Composite ropes, i.e. ropes built-up from fibrous or filamentary material and metal wires
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B1/00—Constructional features of ropes or cables
    • D07B1/06—Ropes or cables built-up from metal wires, e.g. of section wires around a hemp core
    • D07B1/0673—Ropes or cables built-up from metal wires, e.g. of section wires around a hemp core having a rope configuration
    • D07B1/0686—Ropes or cables built-up from metal wires, e.g. of section wires around a hemp core having a rope configuration characterised by the core design
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B5/00—Making ropes or cables from special materials or of particular form
    • D07B5/06—Making ropes or cables from special materials or of particular form from natural or artificial staple fibres
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B1/00—Constructional features of ropes or cables
    • D07B1/16—Ropes or cables with an enveloping sheathing or inlays of rubber or plastics
    • D07B1/162—Ropes or cables with an enveloping sheathing or inlays of rubber or plastics characterised by a plastic or rubber enveloping sheathing
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B1/00—Constructional features of ropes or cables
    • D07B1/16—Ropes or cables with an enveloping sheathing or inlays of rubber or plastics
    • D07B1/165—Ropes or cables with an enveloping sheathing or inlays of rubber or plastics characterised by a plastic or rubber inlay
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B1/00—Constructional features of ropes or cables
    • D07B1/22—Flat or flat-sided ropes; Sets of ropes consisting of a series of parallel ropes
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B2201/00—Ropes or cables
    • D07B2201/10—Rope or cable structures
    • D07B2201/104—Rope or cable structures twisted
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B2201/00—Ropes or cables
    • D07B2201/20—Rope or cable components
    • D07B2201/2015—Strands
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B2201/00—Ropes or cables
    • D07B2201/20—Rope or cable components
    • D07B2201/2047—Cores
    • D07B2201/2052—Cores characterised by their structure
    • D07B2201/2055—Cores characterised by their structure comprising filaments or fibers
    • D07B2201/2057—Cores characterised by their structure comprising filaments or fibers resulting in a twisted structure
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B2201/00—Ropes or cables
    • D07B2201/20—Rope or cable components
    • D07B2201/2047—Cores
    • D07B2201/2052—Cores characterised by their structure
    • D07B2201/2059—Cores characterised by their structure comprising wires
    • D07B2201/2062—Cores characterised by their structure comprising wires comprising fillers
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B2201/00—Ropes or cables
    • D07B2201/20—Rope or cable components
    • D07B2201/2047—Cores
    • D07B2201/2067—Cores characterised by the elongation or tension behaviour
    • D07B2201/2068—Cores characterised by the elongation or tension behaviour having a load bearing function
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B2201/00—Ropes or cables
    • D07B2201/20—Rope or cable components
    • D07B2201/2071—Spacers
    • D07B2201/2074—Spacers in radial direction
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B2201/00—Ropes or cables
    • D07B2201/20—Rope or cable components
    • D07B2201/2075—Fillers
    • D07B2201/2082—Fillers characterised by the materials used
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B2205/00—Rope or cable materials
    • D07B2205/20—Organic high polymers
    • D07B2205/2046—Polyamides, e.g. nylons
    • D07B2205/205—Aramides
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B2205/00—Rope or cable materials
    • D07B2205/20—Organic high polymers
    • D07B2205/2096—Poly-p-phenylenebenzo-bisoxazole [PBO]
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B2205/00—Rope or cable materials
    • D07B2205/30—Inorganic materials
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B2205/00—Rope or cable materials
    • D07B2205/30—Inorganic materials
    • D07B2205/3003—Glass
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B2205/00—Rope or cable materials
    • D07B2205/30—Inorganic materials
    • D07B2205/3007—Carbon
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B2401/00—Aspects related to the problem to be solved or advantage
    • D07B2401/20—Aspects related to the problem to be solved or advantage related to ropes or cables
    • D07B2401/208—Enabling filler penetration
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B2501/00—Application field
    • D07B2501/20—Application field related to ropes or cables
    • D07B2501/2007—Elevators

Definitions

  • This disclosure relates to high-strength fiber aggregates, ropes, and rope structures.
  • Patent Document 1 discloses an elevator rope. According to the rope, the gap between a plurality of high-strength fiber filaments can be reduced in the core material.
  • This disclosure was made to solve the above-mentioned problems. It is an object of the present disclosure to provide high-strength fiber aggregates, ropes, rope structures capable of higher strength.
  • the high-strength fiber aggregate according to the present disclosure includes a plurality of high-strength fiber filaments, which are maintained in a state of being gathered together and have been shaped and processed.
  • the high-strength fiber aggregate according to the present disclosure comprises a plurality of high-strength fiber yarns, each of which is formed in a state in which a plurality of high-strength fiber filaments are twisted to each other, is maintained in a state of being twisted to each other, and is deformed. rice field.
  • the high-strength fiber aggregate according to the present disclosure is a plurality of high-strength fiber yarns in which a plurality of high-strength fiber filaments are maintained in a twisted state and are deformed, respectively, and are deformed in a state in which the longitudinal directions of the plurality of high-strength fiber filaments are aligned with each other. , Equipped with.
  • the high-strength fiber aggregate according to the present disclosure comprises a plurality of high-strength fiber yarns in which a plurality of high-strength fiber filaments are maintained in a twisted state and are deformed, respectively, and in a twisted state, the plurality of high-strength fiber yarns are deformed. Prepared.
  • the high-strength fiber aggregate according to the present disclosure is maintained in a state in which a plurality of high-strength fiber yarns formed by twisting a plurality of high-strength fiber filaments are twisted to each other and formed by twisting each other in the longitudinal direction. It was equipped with multiple high-strength fiber strands, which were shaped and machined.
  • a plurality of high-strength fiber yarns formed by twisting a plurality of high-strength fiber filaments to each other are twisted to each other to form a plurality of high-strength fiber yarns, and the high-strength fiber aggregate is maintained in a twisted state. It was equipped with a plurality of high-strength fiber strands, which had been shaped.
  • the rope according to the present disclosure includes a core material formed of the high-strength fiber aggregate and a plurality of first steel materials arranged on the outer periphery of the core material.
  • the rope according to the present disclosure includes a core material made of steel, a plurality of first fiber aggregates each formed of the high-strength fiber aggregate and arranged on the outer periphery of the core material, and the plurality of first fibers. It was provided with a plurality of first steel materials, each of which was arranged on the outside of one fiber laminated wood.
  • the rope according to the present disclosure includes a core material made of steel, a plurality of first fiber aggregates each formed of the high-strength fiber aggregate and arranged on the outer periphery of the core material, and the plurality of first fibers. It was provided with a plurality of first steel materials, each of which was arranged on the outside of one fiber laminated wood.
  • the rope structure according to the present disclosure is a plurality of linear structures each formed of the rope, and the plurality of linear structures in a state where the plurality of linear structures are aligned in the longitudinal direction and arranged in the horizontal direction. It was provided with a covering structure for covering.
  • a plurality of high-strength fiber filaments are maintained in a state of being grouped together.
  • the plurality of high-strength fiber filaments are deformed. Therefore, the strength of the high-strength fiber aggregate can be further increased.
  • FIG. 5 is an enlarged cross-sectional view of a high-strength fiber aggregate of a rope according to the first embodiment. It is a side view of the 1st modification of the high-strength fiber assembly of a rope in Embodiment 1. FIG. It is a side view of the 2nd modification of the high-strength fiber assembly of a rope in Embodiment 1.
  • FIG. It is a side view of the high-strength fiber assembly of a rope in Embodiment 2.
  • FIG. It is a side view of the modification of the high-strength fiber assembly of a rope in Embodiment 2.
  • FIG. It is a side view of the high-strength fiber assembly of a rope in Embodiment 3.
  • FIG. It is a side view of the modification of the high-strength fiber assembly of a rope in Embodiment 3.
  • FIG. It is sectional drawing of the rope in Embodiment 4.
  • FIG. It is sectional drawing of the modification of the rope in Embodiment 4.
  • FIG. It is sectional drawing of the rope in Embodiment 5.
  • FIG. It is sectional drawing of the modification of the rope in Embodiment 5.
  • FIG. It is sectional drawing of the modification of the rope in Embodiment 5.
  • FIG. 11 is a cross-sectional view of the rope according to the eleventh embodiment. It is sectional drawing of the rope in Embodiment 12. It is sectional drawing of the rope in Embodiment 13. It is sectional drawing of the rope in Embodiment 14. FIG. It is sectional drawing of the modification of the rope in Embodiment 14. It is sectional drawing of the rope in Embodiment 15. FIG. It is sectional drawing of the rope structure in Embodiment 16. FIG. It is sectional drawing of the modification of the rope structure in Embodiment 16. FIG.
  • FIG. 1 is an example of a configuration diagram of an elevator to which a rope is applied according to the first embodiment.
  • the hoistway 1 penetrates each floor of the building.
  • the machine room 2 is provided directly above the hoistway 1.
  • the hoisting machine 3 is provided in the machine room 2.
  • the sheave 4 is attached to the rotating shaft of the hoisting machine 3.
  • the plurality of ropes 5 are wound side by side on the outer peripheral surface of the sheave 4 as a plurality of hoisting ropes.
  • the car 6 is provided inside the hoistway 1.
  • the car 6 is supported on one side of the plurality of ropes 5.
  • the counterweight 7 is provided inside the hoistway 1.
  • the counterweight 7 is supported on the other side of the plurality of ropes 5.
  • the hoisting machine 3 is driven based on a command from a control device (not shown).
  • the sheave 4 rotates following the drive of the hoisting machine 3.
  • the rope 5 moves following the rotation of the sheave 4.
  • the cage 6 and the counterweight 7 move up and down in opposite directions following the movement of the rope 5.
  • FIG. 2 is a cross-sectional view of the rope according to the first embodiment.
  • the rope 5 includes a core material 8 and a plurality of first steel materials 9.
  • the core material 8 is a high-strength fiber aggregate.
  • the core material 8 is deformed.
  • each of the plurality of first steel materials 9 is a steel wire strand.
  • the plurality of first steel materials 9 are arranged on the outer periphery of the core material 8, respectively.
  • the plurality of first steel materials 9 are twisted together around the core material 8.
  • the core material 8 and the plurality of first steel materials 9 share and receive the load in the tensile direction of the rope 5.
  • FIG. 3 is a side view of the high-strength fiber aggregate of the rope in the first embodiment.
  • FIG. 4 is an enlarged cross-sectional view of the high-strength fiber aggregate of the rope according to the first embodiment.
  • the high-strength fiber aggregate includes a plurality of high-strength fiber filaments 10.
  • the number of high-strength filaments is several hundred to tens of thousands.
  • the number of high-strength filaments is tens of thousands.
  • the outer diameter of the high-strength filament is several ⁇ m to several tens of ⁇ m.
  • the plurality of high-strength fiber filaments 10 are maintained in a state of being grouped together.
  • the plurality of high-strength fiber filaments 10 are maintained in a state in which their longitudinal directions are aligned with each other.
  • the orientation of the high-strength fiber filament 10 is shown by a solid line.
  • the plurality of high-strength fiber filaments 10 are deformed so that the cross section has a preset shape.
  • the plurality of high-strength fiber filaments 10 are deformed so as to have a circular cross section.
  • the plurality of high-strength fiber filaments 10 are maintained in a state of being filled inside the matrix resin 11.
  • the plurality of high-strength fiber filaments 10 are impregnated with the liquid matrix resin 11 before curing. After that, the plurality of high-strength fiber filaments 10 are aligned inside the mold having a preset shape. After that, the plurality of high-strength fiber filters are pulled out from the mold. Inside the mold, the plurality of high-strength fiber filaments 10 are continuously heated. At this time, in the plurality of high-strength fiber filaments 10, the matrix resin 11 is cured by heating.
  • the plurality of high-strength fiber filaments 10 are maintained in a state of being put together.
  • the plurality of high-strength fiber filaments 10 are maintained in a state in which their longitudinal directions are aligned with each other.
  • the plurality of high-strength fiber filaments 10 are deformed. Therefore, it is possible to maintain a state in which the density of the plurality of high-strength fiber filaments 10 is increased. As a result, the strength of the high-strength fiber aggregate can be further increased.
  • the plurality of high-strength fiber filaments 10 are maintained in a state of being filled inside the matrix resin 11. Therefore, the plurality of high-strength fiber filaments 10 can be easily maintained in a grouped state. As a result, the rope 5 can be easily and inexpensively manufactured without losing the shape of the plurality of high-strength fiber filaments 10.
  • the flexible resin may be the matrix resin 11.
  • the matrix resin 11 may be a resin that has flexibility and bends without being easily broken when subjected to an external force. In this case, the flexibility of the rope 5 can be ensured. As a result, the flexibility of the rope 5 can be ensured.
  • thermosetting epoxy resin or a thermosetting urethane resin may be used as the flexible resin.
  • thermosetting epoxy resin if a liquid main agent containing one or more of polyoxyalkylene bond, urethane bond, and butadiene rubber in the molecule and two or more epoxy groups in the molecule is used. good.
  • the epoxy resin may be cured by mixing the main agent and the curing agent and then heating the resin.
  • ether-based urethane may be used from the viewpoint of hydrolysis resistance.
  • ether-based polyols such as polytetramethylene ether glycol and polypropylene glycol may be cured with various polyisocyanate compounds.
  • the high-strength fiber aggregate can be easily maintained in a preset shape. Therefore, the adhesion of the plurality of high-strength fiber filaments 10 can be ensured. As a result, the flexibility of the rope 5 can be ensured after the resin is cured.
  • thermoplastic resin may be used as the flexible resin.
  • FIG. 5 is a side view of the first modification of the high-strength fiber assembly of the rope in the first embodiment.
  • the high-strength fiber aggregate is the high-strength fiber yarn 12.
  • the plurality of high-strength fiber filaments 10 are maintained in a twisted state.
  • the orientation of the high-strength fiber filament 10 is shown by a solid line. In this state, the plurality of high-strength fiber filaments 10 are deformed.
  • the high-strength fiber yarn 12 is first impregnated with the liquid matrix resin 11 before curing. After that, the high-strength fiber yarn 12 is squeezed. As a result, the excess matrix resin 11 is removed. In this state, the high-strength fiber yarn 12 is continuously heated. As a result, the matrix resin 11 is cured in the high-strength fiber yarn 12. At this time, the cross section of the high-strength fiber aggregate is naturally circular. In this case, the fiber content of the high-strength fiber yarn 12 is higher than the fiber content of the high-strength fiber aggregate of FIG. The mass ratio strength of the high-strength fiber yarn 12 is higher than the mass ratio strength of the high-strength fiber aggregate of FIG.
  • the high-strength fiber yarn 12 is first impregnated with the liquid matrix resin 11 before curing. After that, the high-strength fiber yarn 12 is sent to the inside of the mold having a preset shape. At this time, the high-strength fiber yarn 12 is continuously heated inside the mold. As a result, the matrix resin 11 is cured in the high-strength fiber yarn 12.
  • the plurality of high-strength fiber filaments 10 are maintained in a state of being twisted to each other. Therefore, a highly flexible high-strength fiber aggregate can be easily and inexpensively manufactured.
  • the high-strength fiber aggregate when the high-strength fiber aggregate is bent, local stress due to compression or tension is unlikely to occur in the plurality of high-strength fiber filaments 10. Therefore, it is possible to prevent the high-strength fiber aggregate from buckling. As a result, the fatigue durability of the high-strength fiber aggregate can be enhanced. Further, the fatigue durability of the rope 5 can be enhanced by increasing the fatigue durability of the high-strength fiber aggregate.
  • the plurality of high-strength fiber filaments 10 share the load more evenly. Therefore, a larger load can be supported in the high-strength fiber aggregate.
  • FIG. 6 is a side view of a second modification of the high-strength fiber aggregate of the rope in the first embodiment.
  • the high-strength fiber aggregate is a high-strength fiber strand 13.
  • the plurality of high-strength fiber yarns 12 are twisted together.
  • six high-strength fiber yarns 12 are twisted together around one high-strength fiber yarn 12.
  • the plurality of high-strength fiber filaments 10 are twisted together. In this state, the high-strength fiber strand 13 is deformed.
  • FIG. 6 the boundary between adjacent high-strength fiber yarns 12 is shown by a solid line. In practice, the boundaries are often invisible.
  • the plurality of high-strength fiber yarns 12 are twisted together. Therefore, the load can be shared over the entire high-strength fiber strand 13.
  • the high-strength fiber yarn 12 does not have to be seamlessly connected over the entire length of the rope 5. In this case, it is not necessary to prepare the high-strength fiber filament 10 having a length corresponding to the length of the rope 5. As a result, the manufacturing cost of the high-strength fiber yarn 12 can be reduced.
  • FIG. 7 is a side view of the high-strength fiber assembly of the rope according to the second embodiment.
  • the same or corresponding parts as those of the first embodiment are designated by the same reference numerals. The explanation of this part is omitted.
  • the high-strength fiber aggregate comprises a plurality of high-strength fiber yarns 12.
  • the plurality of high-strength fiber filaments 10 are maintained in a twisted state with respect to each other.
  • the plurality of high-strength fiber filaments 10 are maintained in a state of being twisted together with the first matrix resin. In this state, the plurality of high-strength fiber yarns 12 are each deformed so as to have a circular cross section.
  • the plurality of high-strength fiber yarns 12 are maintained in a grouped state. Specifically, the plurality of high-strength fiber yarns 12 are maintained in a state in which the longitudinal directions are aligned with each other. For example, the plurality of high-strength fiber yarns 12 are maintained in a state of being aligned in the longitudinal direction with the second matrix resin.
  • the plurality of high-strength fiber yarns 12 are deformed.
  • the plurality of high-strength fiber yarns 12 are irregularly processed so that the cross section has a shape similar to a trapezoid. Specifically, the shape of the cross section is a shape in which the fan shape at the center is removed from the fan shape having a preset size.
  • the plurality of high-strength fiber yarns 12 are formed in the same manner as in the modification of the first embodiment. After that, the plurality of high-strength fiber yarns 12 are each wound up on a plurality of bobbins and the like. After that, the plurality of high-strength fiber yarns 12 are each drawn from the plurality of bobbins and the like. After that, the plurality of high-strength fiber yarns 12 are impregnated into the second matrix resin. After that, the plurality of high-strength fiber yarns 12 are put together in the longitudinal direction of each other.
  • the plurality of high-strength fiber yarns 12 are drawn into the mold having a preset shape.
  • the plurality of high-strength yarns are then continuously heated inside the mold.
  • the second matrix resin is cured in the plurality of high-strength fiber yarns 12.
  • the second matrix resin is a thermoplastic resin
  • the plurality of high-strength fiber yarns 12 are drawn into the mold in a state where the longitudinal directions are aligned with each other. In this state, the plurality of high-strength fiber yarns 12 are impregnated with the second matrix resin in the molten state. After that, the plurality of high-strength fiber yarns 12 are pulled out from the mold. After that, the plurality of high-strength fiber yarns 12 are cooled. As a result, the second matrix resin is cured in the plurality of high-strength fiber yarns 12.
  • the plurality of high-strength fiber yarns 12 are maintained in a grouped state. Specifically, the plurality of high-strength fiber yarns 12 are maintained in a state in which the longitudinal directions are aligned with each other. Therefore, a larger load can be supported in the high-strength fiber aggregate.
  • the first matrix resin and the second matrix resin are appropriately selected.
  • the first matrix resin may be the same as the matrix resin 11 in FIG.
  • the first matrix resin needs to be impregnated collectively into the high-strength fiber filament 10 having an outer diameter of several ⁇ m to several tens of ⁇ m per fiber. Therefore, the first matrix resin needs to have a low viscosity before curing.
  • the second matrix resin may be impregnated into a plurality of high-strength fiber yarns 12. Therefore, before curing, the second matrix resin may have a higher viscosity than the first matrix resin.
  • FIG. 8 is a side view of a modified example of the high-strength fiber aggregate of the rope in the second embodiment.
  • the plurality of high-strength fiber yarns 12 are maintained in a twisted state with each other.
  • the plurality of high-strength fiber yarns 12 are deformed.
  • the plurality of high-strength fiber yarns 12 are formed in the same manner as in the modified example of the first embodiment. After that, the plurality of high-strength fiber yarns 12 are each wound up on a plurality of bobbins and the like. After that, the plurality of high-strength fiber yarns 12 are each drawn from the plurality of bobbins and the like. The plurality of high-strength yarns are then twisted together. After that, the plurality of high-strength fiber yarns 12 are impregnated into the second matrix resin.
  • the plurality of high-strength fiber yarns 12 are drawn into the mold having a preset shape. At this time, the plurality of high-strength yarns are continuously heated inside the mold. As a result, the second resin is cured in the plurality of high-strength fiber yarns 12.
  • the second matrix resin is a thermoplastic resin
  • the plurality of high-strength fiber yarns 12 are drawn into the mold in a state of being twisted to each other. In this state, the plurality of high-strength fiber yarns 12 are impregnated with the second matrix resin in the molten state. After that, the plurality of high-strength fiber yarns 12 are pulled out from the mold. After that, the plurality of high-strength fiber yarns 12 are cooled. As a result, the second matrix resin is cured in the plurality of high-strength fiber yarns 12.
  • the plurality of high-strength fiber yarns 12 are maintained in a twisted state. Therefore, it is possible to prevent the shape of the high-strength fiber aggregate from being deformed during the production of the high-strength fiber aggregate. Further, even if the rope 5 is repeatedly bent, it is possible to prevent the shape of the high-strength fiber aggregate from being deformed.
  • FIG. 9 is a side view of the high-strength fiber aggregate of the rope according to the third embodiment.
  • the same or corresponding parts as those of the first embodiment are designated by the same reference numerals. The explanation of this part is omitted.
  • the high-strength fiber aggregate comprises a plurality of high-strength fiber strands 13.
  • the plurality of high-strength fiber yarns 12 are twisted together.
  • the plurality of high-strength fiber filaments 10 are twisted together.
  • the plurality of high-strength fiber strands 13 are maintained in a state in which their longitudinal directions are aligned with each other.
  • the plurality of high-strength fiber strands 13 are deformed.
  • the plurality of high-strength fiber strands 13 are deformed with the matrix resin 11.
  • the seven high-strength fiber strands 13 are deformed so that the overall cross section is trapezoidal.
  • FIG. 9 the boundary between adjacent high-strength fiber strands 13 is shown by a solid line. In practice, the boundaries are often invisible.
  • the plurality of high-strength fiber strands 13 are maintained in a state in which their longitudinal directions are aligned with each other.
  • the plurality of high-strength fiber strands 13 are deformed. Therefore, the outer diameter of the high-strength fiber aggregate can be made larger. As a result, the outer diameter of the rope 5 can be made larger. The breaking strength of the rope 5 can be further increased.
  • FIG. 10 is a side view of a modified example of the high-strength fiber aggregate of the rope in the third embodiment.
  • the plurality of high-strength fiber strands 13 are maintained in a twisted state.
  • the plurality of high-strength fiber strands 13 are deformed.
  • the plurality of high-strength fiber strands 13 are deformed with the matrix resin 11.
  • six high-strength fiber strands 13 are twisted to each other around one high-strength fiber strand 13.
  • the seven high-strength fiber strands 13 are deformed so that the overall cross section is trapezoidal.
  • FIG. 10 the boundary between adjacent high-strength fiber strands 13 is shown by a solid line. In practice, the boundaries are often invisible.
  • the plurality of high-strength fiber strands 13 are maintained in a twisted state.
  • the plurality of high-strength fiber strands 13 are deformed. Therefore, it is possible to prevent the shape of the high-strength fiber aggregate from being deformed after the plurality of high-strength fiber strands 13 are deformed. Further, the load can be more evenly distributed to the plurality of high-strength fiber strands 13 as compared with the case where the plurality of high-strength fiber strands 13 are deformed in a state where the longitudinal directions of the plurality of high-strength fiber strands are aligned with each other.
  • FIG. 11 is a cross-sectional view of the rope according to the fourth embodiment.
  • the same or corresponding parts as those of the first embodiment are designated by the same reference numerals. The explanation of this part is omitted.
  • the core material 8 is formed into a deformed shape by twisting linear bodies formed of a plurality of high-strength fiber aggregates with each other.
  • the six high-strength fiber aggregates are formed by twisting the high-strength fiber aggregates around one high-strength fiber aggregate.
  • the central high-strength fiber aggregate has a circular cross section.
  • the cross sections of the surrounding six high-strength fiber aggregates are trapezoidal. In this state, the core material 8 is deformed.
  • the core material 8 is formed into a deformed shape by twisting linear bodies formed of a plurality of high-strength fiber aggregates with each other. Therefore, the flexibility of the rope 5 can be increased.
  • FIG. 12 is a cross-sectional view of a modified example of the rope in the fourth embodiment.
  • the core material 8 is formed by twisting six high-strength fiber aggregates that have been fan-shaped into a fan shape. In this state, the core material 8 is deformed.
  • the core material 8 is formed by twisting six high-strength fiber aggregates that have been deformed into a fan shape.
  • the flexibility of the rope 5 can be increased without requiring a plurality of types of high-strength fiber aggregates.
  • FIG. 13 is a cross-sectional view of the rope according to the fifth embodiment.
  • the same reference numerals are given to the same or corresponding parts as the parts of the modified example of the fourth embodiment. The explanation of this part is omitted.
  • the rope 5 includes a plurality of first fiber laminated wood 16 and a plurality of second steel materials 17.
  • the plurality of first fiber aggregates 16 are each formed by twisting a plurality of high-strength fiber aggregates.
  • the plurality of first fiber laminated wood 16 is arranged on the outside of each of the plurality of first steel materials 9.
  • Each of the plurality of second steel materials 17 is a steel wire strand.
  • the plurality of second steel materials 17 are respectively arranged on the outside of the plurality of first fiber laminated wood 16.
  • the layer of the high-strength fiber laminated wood and the layer of the steel material are alternately provided from the center of the cross section of the rope 5 toward the outside. Therefore, the outer diameter of the rope 5 can be increased without increasing the outer diameter of the high-strength fiber laminated wood and the outer diameter of the steel material. As a result, the breaking strength of the rope 5 can be increased without sacrificing the flexibility of the rope 5.
  • FIG. 14 is a cross-sectional view of a modified example of the rope in the fifth embodiment.
  • a plurality of high-strength fiber line aggregates are each formed of an aggregate equivalent to the high-strength fiber aggregate shown in FIG. 7 or FIG.
  • the cross sections of the plurality of high-strength fiber aggregates are each fan-shaped.
  • the cross section of the plurality of first fiber laminated wood 16 is trapezoidal.
  • the layer of high-strength fiber laminated wood and the layer of steel material are alternately provided from the center of the cross section of the rope 5 toward the outside. Therefore, the outer diameter of the rope 5 can be increased without increasing the outer diameter of the high-strength fiber laminated wood and the outer diameter of the steel material. As a result, the breaking strength of the rope 5 can be increased without sacrificing the flexibility of the rope 5.
  • FIG. 15 is a cross-sectional view of the rope according to the sixth embodiment.
  • the same or corresponding parts as those of the fifth embodiment are designated by the same reference numerals. The explanation of this part is omitted.
  • the rope 5 includes a plurality of second fiber laminated wood 18 and a plurality of third steel materials 19.
  • the plurality of second fiber aggregates 18 are each formed by twisting a plurality of high-strength fiber aggregates.
  • the plurality of second fiber laminated wood 18s are respectively arranged on the outside of the plurality of second steel materials 17.
  • Each of the plurality of third steel materials 19 is a steel wire strand.
  • the plurality of third steel materials 19 are respectively arranged on the outside of the plurality of first fiber laminated wood 16.
  • the layer of the high-strength fiber laminated wood and the layer of the steel material are alternately provided from the center of the cross section of the rope 5 toward the outside. Therefore, the outer diameter of the rope 5 can be made larger without increasing the outer diameter of the high-strength fiber laminated wood and the outer diameter of the steel material. As a result, the breaking strength of the rope 5 can be further increased without sacrificing the flexibility of the rope 5.
  • FIG. 16 is a cross-sectional view of the rope according to the seventh embodiment.
  • the same or corresponding parts as those of the first embodiment are designated by the same reference numerals. The explanation of this part is omitted.
  • the rope 5 includes a core material 8, a plurality of first fiber laminated lumbers 16, and a plurality of first steel materials 9.
  • the core material 8 is made of steel.
  • the core material 8 is made of steel wire.
  • the plurality of first fiber aggregates 16 are each formed of high-strength fiber aggregates.
  • the plurality of first fiber laminated lumbers 16 are arranged on the outer periphery of the core material 8, respectively.
  • the plurality of first steel materials 9 are each formed of steel wire strands.
  • the plurality of first steel materials 9 are respectively arranged on the outside of the plurality of first fiber laminated wood 16.
  • the core material 8 is made of steel. Therefore, the rope 5 can be easily formed into a shape close to a perfect circle. Further, even if a load is applied in the radial direction of the rope 5, the shape of the rope 5 can be prevented from collapsing.
  • FIG. 17 is a cross-sectional view of a modified example of the rope in the seventh embodiment.
  • the core material 8 is formed of steel wire strands.
  • the core material 8 is formed of steel wire strands. Therefore, the flexibility of the rope 5 can be further increased.
  • FIG. 18 is a cross-sectional view of the rope according to the eighth embodiment.
  • the same or corresponding parts as those of the seventh embodiment are designated by the same reference numerals. The explanation of this part is omitted.
  • the rope 5 includes a plurality of second fiber laminated wood 18 and a plurality of second steel materials 17.
  • the plurality of second fiber aggregates 18 are each formed by twisting a plurality of high-strength fiber aggregates.
  • the plurality of second fiber laminated wood 18s are respectively arranged on the outside of the plurality of first steel materials 9.
  • Each of the plurality of third steel materials 19 is a steel wire strand.
  • the plurality of third steel materials 19 are respectively arranged on the outside of the plurality of second fiber laminated wood 18.
  • the steel material layer and the high-strength fiber laminated wood layer are alternately provided from the center of the cross section of the rope 5 toward the outside. Therefore, the outer diameter of the rope 5 can be made larger without increasing the outer diameter of the steel material layer and the outer diameter of the high-strength fiber laminated wood. As a result, the breaking strength of the rope 5 can be further increased without sacrificing the flexibility of the rope 5.
  • FIG. 19 is a cross-sectional view of the rope according to the ninth embodiment.
  • the same or corresponding parts as those of the eighth embodiment are designated by the same reference numerals. The explanation of this part is omitted.
  • the rope 5 includes a plurality of third fiber laminated wood 20 and a plurality of third steel materials 19.
  • the plurality of third fiber aggregates 20 are each formed by twisting a plurality of high-strength fiber aggregates.
  • the plurality of third fiber laminated wood 20s are respectively arranged on the outside of the plurality of second steel materials 17.
  • Each of the plurality of third steel materials 19 is a steel wire strand.
  • the plurality of third steel materials 19 are respectively arranged on the outside of the plurality of third fiber laminated wood 20.
  • the steel material layer and the high-strength fiber laminated wood layer are alternately provided from the center of the cross section of the rope 5 toward the outside. Therefore, the outer diameter of the rope 5 can be made larger without increasing the outer diameter of the steel material layer and the outer diameter of the high-strength fiber laminated wood. As a result, the breaking strength of the rope 5 can be further increased without sacrificing the flexibility of the rope 5.
  • FIG. 20 is a cross-sectional view of the rope according to the tenth embodiment.
  • the same or corresponding parts as those of the first embodiment and the like are designated by the same reference numerals. The explanation of this part is omitted.
  • the rope 5 includes a first resin layer 22, a second resin layer 23, and a third resin layer 24.
  • the first resin layer 22 forms a layer between the core material 8 and the plurality of first steel materials 9.
  • the second resin layer 23 forms a layer between the plurality of first steel materials 9 and the plurality of first fiber laminated wood 16.
  • the third resin layer 24 forms a layer between the plurality of first fiber laminated wood 16 and the plurality of second steel materials 17.
  • the resin layer forms a layer between the high-strength fiber laminated wood and the steel material. Therefore, it is possible to suppress the wear of the high-strength fiber filament 10 in the high-strength fiber laminated wood due to the contact of the high-strength fiber laminated wood with the steel material.
  • the first resin layer 22, the second resin layer 23, and the third resin layer 24 may be formed of polyethylene or polypropylene.
  • the wear resistance and the low frictional property of the first resin layer 22, the second resin layer 23, and the third resin layer 24 can be compatible with each other.
  • FIG. 21 is a cross-sectional view of the rope according to the eleventh embodiment.
  • the same or corresponding parts as those of the first embodiment and the like are designated by the same reference numerals. The explanation of this part is omitted.
  • the rope 5 includes a plurality of second resin bodies 25.
  • the plurality of second resin bodies 25 are each formed of resin.
  • the plurality of second resin bodies 25 each cover the plurality of first steel materials 9.
  • the second resin body 25 covers the first steel material 9. Therefore, it is possible to suppress the wear of the high-strength fiber filament 10 in the high-strength fiber laminated wood due to the contact of the high-strength fiber laminated wood with the steel material.
  • the second resin body 25 may be formed of polyethylene or polypropylene. In this case, it is possible to achieve both wear resistance and low friction resistance of the resin layer.
  • FIG. 22 is a cross-sectional view of the rope according to the twelfth embodiment.
  • the same or corresponding parts as those of the first embodiment and the like are designated by the same reference numerals. The explanation of this part is omitted.
  • the rope 5 includes a first resin body 26 and a plurality of third resin bodies 27.
  • the first resin body 26 is made of resin.
  • the first resin body 26 covers the core material 8.
  • the plurality of third resin bodies 27 are each formed of resin.
  • the plurality of third resin bodies 27 each cover the plurality of first fiber laminated wood 16.
  • the first resin body 26 covers the core material 8. Therefore, it is possible to suppress the wear of the high-strength fiber filament 10 in the high-strength fiber laminated wood due to the contact of the high-strength fiber laminated wood with the steel material.
  • the plurality of third resin bodies 27 each coat the plurality of first fiber laminated wood 16. Therefore, it is possible to prevent the high-strength fiber filament 10 from being worn due to the scraping of the adjacent first fiber laminated wood 16.
  • FIG. 23 is a cross-sectional view of the rope according to the thirteenth embodiment.
  • the same or corresponding parts as those of the first embodiment are designated by the same reference numerals. The explanation of this part is omitted.
  • the first steel material 9 includes a first central portion 9a and a plurality of first steel portions 9b.
  • the first central portion 9a is formed of a high-strength fiber aggregate.
  • the plurality of first steel portions 9b are each formed of steel wire.
  • the first steel portion 9b is arranged on the outer periphery of the first central portion 9a, respectively.
  • the second steel material 17 includes a second central portion 17a and a plurality of second steel portions 17b.
  • the second central portion 17a is formed of a high-strength fiber aggregate.
  • the plurality of second steel portions 17b are each formed of steel.
  • the second steel portion 17b is arranged on the outer periphery of the second central portion 17a, respectively.
  • the first central portion 9a is formed of a high-strength fiber aggregate.
  • the second central portion 17a is formed of a high-strength fiber aggregate. Therefore, not only the rope 5 can be made lighter, but also the mass ratio strength of the rope 5 can be increased.
  • a resin layer may be provided between the first central portion 9a and the plurality of first steel portions 9b. In this case, it is possible to prevent the high-strength fiber filament 10 in the first central portion 9a from being worn by the contact of the first central portion 9a with the first steel portion 9b.
  • a resin layer may be provided between the second central portion 17a and the plurality of second steel portions 17b. In this case, it is possible to prevent the high-strength fiber filament 10 in the second central portion 17a from being worn by the contact of the second central portion 17a with the second steel portion 17b.
  • FIG. 24 is a cross-sectional view of the rope according to the fourteenth embodiment.
  • the same or corresponding parts as those of the first embodiment and the like are designated by the same reference numerals. The explanation of this part is omitted.
  • the second steel material 17 is deformed so as to have a circular cross section.
  • the second steel material 17 is deformed so as to have a circular cross section. Therefore, the surface pressure when the second steel material 17 comes into contact with the first fiber laminated wood 16 can be reduced. As a result, wear of the high-strength fiber filament 10 in the first fiber laminated wood 16 can be suppressed.
  • the surface pressure when the rope 5 comes into contact with the sheave 4 can be reduced.
  • the fatigue resistance of the steel wire in the second steel material 17 can be improved.
  • FIG. 25 is a cross-sectional view of a modified example of the rope in the fourteenth embodiment.
  • the first steel material 9 is deformed so as to have a circular cross section.
  • the first steel material 9 is deformed so as to have a circular cross section. Therefore, the surface pressure when the first steel material 9 comes into contact with the core material 8 and the surface pressure when the first steel material 9 comes into contact with the first fiber laminated lumber 16 can be reduced. As a result, it is possible to suppress the wear of the high-strength fiber filament 10 in the core material 8 and the wear of the high-strength fiber filament 10 in the first fiber laminated wood 16.
  • the outermost layer is a steel wire strand.
  • the outermost steel wire is damaged before the high-strength fiber filament 10. Therefore, it is possible to eliminate the need for a device for detecting damage to the high-strength fiber filament 10. As a result, the maintenance of the rope 5 can be operated by the conventional maintenance technique.
  • the steel wire strand of the outermost layer may be impregnated with rope oil.
  • the coefficient of friction of the rope 5 with the sheave 4 is almost the same as that of the conventional one. Therefore, the equipment to which the conventional rope 5 is applied can be used as it is.
  • FIG. 26 is a cross-sectional view of the rope according to the fifteenth embodiment.
  • the same or corresponding parts as those of the 14th embodiment are designated by the same reference numerals. The explanation of this part is omitted.
  • the rope 5 includes an outer layer 28.
  • the outer layer 28 is made of resin.
  • the outer layer 28 is formed of a thermoplastic polyurethane elastomer.
  • the outer layer 28 is formed of an ether-based thermoplastic polyurethane elastomer.
  • the outer layer 28 forms a layer on the outside of the plurality of second steel materials 17.
  • the outer layer 28 is formed of a resin.
  • the outer layer 28 forms a layer on the outside of the plurality of second steel materials 17. Therefore, in the rope 5, the coefficient of friction with the sheave 4 can be increased. As a result, the compensating rope or compensating chain can be lightened or removed even in an elevator with a long ascent / descent distance.
  • FIG. 27 is a cross-sectional view of the rope structure according to the sixteenth embodiment.
  • the same or corresponding parts as those of the first embodiment and the like are designated by the same reference numerals. The explanation of this part is omitted.
  • the rope structure is formed in a belt shape.
  • the rope structure includes a plurality of linear structures 29 and a covering structure 30.
  • the plurality of linear structures 29 are formed in the same manner as the rope 5.
  • the rope 5 is equivalent to the rope 5 of FIG.
  • the covering structure 30 is made of resin.
  • the coating structure 30 is formed of an ether-based thermoplastic polyurethane elastomer.
  • the covering structure 30 covers the plurality of linear structures 29 in a state where the plurality of linear structures 29 are aligned in the longitudinal direction and arranged in the horizontal direction.
  • the rope structure is formed in a belt shape. Therefore, the rope 5 using the high-strength aggregate can be applied to the sheave 4 having a small radius.
  • high-strength fiber collecting filament carbon fiber, glass fiber, polyparaphenylene benzoxazole fiber, aramid fiber, polyallylate fiber, basalt fiber and the like may be used. In this case, the mass ratio strength of the high-strength fiber aggregate can be increased.
  • FIG. 28 is a cross-sectional view of a modified example of the rope structure in the sixteenth embodiment.
  • the rope 5 is equivalent to the rope 5 in FIG.
  • the core material 8 is formed of one high-strength fiber aggregate.
  • the rope 5 is equivalent to the rope 5 in FIG. Therefore, the breaking strength of the rope structure can be further increased.
  • rope 5 of FIG. 26 of the embodiment 15 and some of the long bodies of the rope structures of FIGS. 27 and 28 of the embodiment 16 are other than the elevator of FIG. May be applied.
  • any of these ropes 5 and rope structures may be applied to a machine roomless elevator.
  • any of these ropes 5 and rope structures may be applied to a 2: 1 roping type elevator.
  • any of these ropes 5 and rope structures may be applied to a double-deck elevator.
  • either the rope 5 or the rope structure may be applied to the governor of the elevator.
  • any of these ropes 5 and the rope structure may be applied to a high-rise elevator having a hoisting height of more than 75 meters.
  • the higher the winding height the greater the effect of reducing the total weight of the rope 5 as compared with the conventional rope 5.
  • the friction coefficient of these ropes 5 and the rope structure becomes larger. Therefore, the compensating rope or compensating chain can be lightened or removed.
  • the rope disclosed in this disclosure can be used for elevators.

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  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Ropes Or Cables (AREA)

Abstract

L'invention concerne un assemblage de fibres à haute résistance, un cordage et une structure de cordage pouvant augmenter davantage la résistance. Cet assemblage de fibres à haute résistance comprend plusieurs filaments de fibres à haute résistance profilés qui sont maintenus dans un état assemblé. Ce cordage comprend : un matériau central formé à partir de l'assemblage de fibres à haute résistance et de multiples premiers matériaux en acier, chacun étant disposé sur la périphérie externe du matériau central. Cette structure de cordage comprend : de multiples structures linéaires, chacune étant formée à partir du cordage ; une structure de couverture qui recouvre les multiples structures linéaires dans un état dans lequel les multiples structures linéaires sont alignées dans la direction horizontale, leurs directions longitudinales étant mises en correspondance. Un ascenseur comprend un corps long, formé à partir de l'un quelconque parmi le cordage et la structure de cordage.
PCT/JP2020/039444 2020-10-20 2020-10-20 Assemblage de fibres à haute résistance, cordage et structure de cordage WO2022085085A1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
PCT/JP2020/039444 WO2022085085A1 (fr) 2020-10-20 2020-10-20 Assemblage de fibres à haute résistance, cordage et structure de cordage
DE112020007718.7T DE112020007718T5 (de) 2020-10-20 2020-10-20 Hochfeste Faseranordnung, Seil und Seilstruktur
JP2022556866A JPWO2022085085A1 (fr) 2020-10-20 2020-10-20
CN202080106046.5A CN116323459A (zh) 2020-10-20 2020-10-20 高强度纤维集合体、绳索、绳索结构体
KR1020237010545A KR20230056776A (ko) 2020-10-20 2020-10-20 고강도 섬유 집합체, 로프, 로프 구조체

Applications Claiming Priority (1)

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PCT/JP2020/039444 WO2022085085A1 (fr) 2020-10-20 2020-10-20 Assemblage de fibres à haute résistance, cordage et structure de cordage

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WO2022085085A1 true WO2022085085A1 (fr) 2022-04-28

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JP (1) JPWO2022085085A1 (fr)
KR (1) KR20230056776A (fr)
CN (1) CN116323459A (fr)
DE (1) DE112020007718T5 (fr)
WO (1) WO2022085085A1 (fr)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09501207A (ja) * 1993-08-04 1997-02-04 ブライドン ピーエルシー ワイヤロープの高強度コア
JPH108388A (ja) * 1996-06-25 1998-01-13 Tokyo Seiko Co Ltd 異形線ワイヤロープおよびその製造方法
WO2002010050A1 (fr) * 2000-07-27 2002-02-07 Mitsubishi Denki Kabushiki Kaisha Dispositif elevateur, et procede permettant de produire des cables principaux destines a des dispositifs elevateurs
WO2004043844A1 (fr) * 2002-11-12 2004-05-27 Mitsubishi Denki Kabushiki Kaisha Cable pour ascenseur et equipement d'ascenseur
JP2010532430A (ja) * 2007-05-18 2010-10-07 サムソン ロープ テクノロジーズ 複合ロープ構造体と、複合ロープ構造体を作製するシステムおよび方法
JP2019131029A (ja) * 2018-01-31 2019-08-08 トヨタ紡織株式会社 乗物用照明装置

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20180048784A (ko) 2015-10-16 2018-05-10 미쓰비시덴키 가부시키가이샤 엘리베이터용 로프 및 그 제조 방법

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09501207A (ja) * 1993-08-04 1997-02-04 ブライドン ピーエルシー ワイヤロープの高強度コア
JPH108388A (ja) * 1996-06-25 1998-01-13 Tokyo Seiko Co Ltd 異形線ワイヤロープおよびその製造方法
WO2002010050A1 (fr) * 2000-07-27 2002-02-07 Mitsubishi Denki Kabushiki Kaisha Dispositif elevateur, et procede permettant de produire des cables principaux destines a des dispositifs elevateurs
WO2004043844A1 (fr) * 2002-11-12 2004-05-27 Mitsubishi Denki Kabushiki Kaisha Cable pour ascenseur et equipement d'ascenseur
JP2010532430A (ja) * 2007-05-18 2010-10-07 サムソン ロープ テクノロジーズ 複合ロープ構造体と、複合ロープ構造体を作製するシステムおよび方法
JP2019131029A (ja) * 2018-01-31 2019-08-08 トヨタ紡織株式会社 乗物用照明装置

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CN116323459A (zh) 2023-06-23
JPWO2022085085A1 (fr) 2022-04-28
DE112020007718T5 (de) 2023-08-10

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